<template>
  <div class="app-container">
    <el-table
      v-loading="listLoading"
      :data="list"
      element-loading-text="Loading"
      border
      fit
      highlight-curent-row
    >
      <el-table-column align="center" label="ID" min-width="10%">
        <template slot-scope="scope">
          {{ scope.$index+1 }}
        </template>
      </el-table-column>
      <el-table-column label="设备号" min-width="30%">
        <template slot-scope="scope">
          <span>{{ scope.row.deviceid }}</span>
        </template>
      </el-table-column>
      <el-table-column label="名称" min-width="30%">
        <template slot-scope="scope">
          <span>{{ scope.row.name }}</span>
        </template>
      </el-table-column>
      <el-table-column label="截图" min-width="30%">
        <template slot-scope="scope">
          <span>{{ scope.row.snap }}</span>
        </template>
      </el-table-column>
      <el-table-column label="操作" align="center" min-width="30%">
        <template slot-scope="scope">
          <el-button type="success" class="el-icon-video-play" size="mini" @click="video(scope.row.hls)">播放视频</el-button>
          <el-button type="info" class="el-icon-picture" size="mini" @click="snap(scope.row.parentid,scope.row.deviceid)">截图</el-button>
        </template>
      </el-table-column>
    </el-table>
    <el-dialog
      title="查看视频"
      :visible.sync="dialogVisible"
      width="40%"
      :before-close="handleClose"
    >

      <video-player
        ref="videoPlayer"
        class="video-player vjs-custom-skin"
        :playsinline="true"
        :options="playerOptions"
        @play="onPlayerPlay($event)"
        @pause="onPlayerPause($event)"
      />
      <span style="padding-top:10px" class="el-icon-video-camera"> hls 地址: {{ playerOptions.sources[0].src }}</span>
      <span slot="footer" class="dialog-footer">
        <el-button @click="dialogVisible = false">关闭</el-button>
      </span>
    </el-dialog>
  </div>
</template>

<script>
import { list, snap } from '@/api/device'

// require styles
import 'video.js/dist/video-js.css'
export default {
  filters: {
    statusFilter(status) {
      const statusMap = {
        published: 'success',
        draft: 'gray',
        deleted: 'danger'
      }
      return statusMap[status]
    }
  },
  data() {
    return {
      list: null,
      listLoading: true,
      dialogVisible: false,
      playerOptions: {
        // playbackRates: [0.7, 1.0, 1.5, 2.0], // 播放速度
        autoplay: true, // 如果true,浏览器准备好时开始回放。
        muted: false, // 默认情况下将会消除任何音频。
        loop: false, // 导致视频一结束就重新开始。
        preload: 'auto', // 建议浏览器在<video>加载元素后是否应该开始下载视频数据。auto浏览器选择最佳行为,立即开始加载视频（如果浏览器支持）
        language: 'zh-CN',
        // aspectRatio: '16:9', // 将播放器置于流畅模式，并在计算播放器的动态大小时使用该值。值应该代表一个比例 - 用冒号分隔的两个数字（例如"16:9"或"4:3"）
        fluid: true, // 当true时，Video.js player将拥有流体大小。换句话说，它将按比例缩放以适应其容器。
        html5: {
          hls: { withCredentials: false }
        },
        sources: [{
          type: 'application/x-mpegURL', // 这里的种类支持很多种：基本视频格式、直播、流媒体等，具体可以参看git网址项目
          src: '' // url地址
        }],
        hls: true,
        techOrder: ['html5'],
        poster: '../../assets/prepare.png', // 你的封面地址
        notSupportedMessage: '此视频暂无法播放，请稍后再试', // 允许覆盖Video.js无法播放媒体源时显示的默认信息。
        controlBar: {
          fullscreenToggle: true // 全屏按钮
        }
      }
    }
  },
  computed: {
    player() {
      return this.$refs.videoPlayer.player
    }
  },
  created() {
    console.log(this.$route)
    const account = this.$route.query.account
    this.fetchData(account)
  },
  methods: {
    fetchData(account) {
      this.listLoading = true
      list({ account: account }).then(response => {
        this.list = response.data.items
        this.listLoading = false
      })
    },
    video(hls) {
      // 打开视频页面
      this.dialogVisible = true
      this.playerOptions.sources[0].src = hls
    },
    snap(deviceid, channel) {
      snap({ deviceid: deviceid, channel: channel }).then((res) => {
        console.log(res)
      })
    },
    handleClose(done) {
      done()
    },
    onPlayerPlay(player) {
      console.log('player play', player)
    },
    onPlayerPause(player) {
      console.log('player pause', player)
    },
    onPlayerEnded($event) {
      console.log($event)
    },
    // DOM元素上的readyState更改导致播放停止
    onPlayerWaiting($event) {
      console.log($event)
    },
    // 已开始播放回调
    onPlayerPlaying($event) {
      console.log($event)
    },
    // 当播放器在当前播放位置下载数据时触发
    onPlayerLoadeddata($event) {
      console.log($event)
    },
    // 当前播放位置发生变化时触发。
    onPlayerTimeupdate($event) {
      console.log($event)
    },
    // 媒体的readyState为HAVE_FUTURE_DATA或更高
    onPlayerCanplay(player) {
      // console.log('player Canplay!', player)
    },
    // 媒体的readyState为HAVE_ENOUGH_DATA或更高。这意味着可以在不缓冲的情况下播放整个媒体文件。
    onPlayerCanplaythrough(player) {
      // console.log('player Canplaythrough!', player)
    },
    // 播放状态改变回调
    playerStateChanged(playerCurrentState) {
      console.log('player current update state', playerCurrentState)
    },
    // 将侦听器绑定到组件的就绪状态。与事件监听器的不同之处在于，如果ready事件已经发生，它将立即触发该函数。。
    playerReadied(player) {
      console.log('example player 1 readied', player)
    }
  }
}
</script>

<style>
  .video-js .vjs-icon-placeholder {
      width: 100%;
      height: 100%;
      display: block;
  }
</style>
